Search Results - "Ziebell, L F"

Particle-in-cell and Weak Turbulence Simulations of Plasma Emission by Lee, Sang-Yun, Ziebell, L. F., Yoon, P. H., Gaelzer, R., Lee, E. S.

“…The plasma emission process, which is the mechanism for solar type II and type III radio burst phenomena, is studied by means of particle-in-cell (PIC) and…”
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Nonlinear Evolution of Beam-plasma Instability in Inhomogeneous Medium by Ziebell, L. F, Yoon, P. H, Pavan, J, Gaelzer, R

“…The problem of electron-beam propagation in inhomogeneous solar wind is intimately related to the solar type II and/or type III radio bursts. Many scientists…”
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Parametric Study About the Dynamics of Two Types of Position-Dependent Mass Classical Oscillators by Ziebell, L. F.

“…The present work investigates the dynamics of nonlinear oscillators with position-dependent mass, in the presence of an applied periodical force. The analysis…”
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Weakly turbulent plasma processes leading to plasma emission in the presence of a ring-beam electron population by Ziebell, L. F.

“…The time evolution of the beam-plasma instability and the ensuing emission of transverse waves is studied using a set of self-consistent equations of weak…”
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Effect of superthermal electrons on Alfvén wave propagation in the dusty plasmas of solar and stellar winds by Gaelzer, R., de Juli, M. C., Ziebell, L. F.

“…The dispersive characteristics and absorption coefficient of Alfvén waves propagating parallel to the ambient magnetic field are discussed, taking into account…”
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Kinetic effects of dust size distribution on Alfvén waves in magnetized space plasmas by De Toni, L B, Gaelzer, R, Ziebell, L F

“…ABSTRACT Dust populations in space plasmas are often described by a size distribution function, generally a power law distribution. In view of that, we include…”
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Asymmetric Solar Wind Electron Superthermal Distributions by Gaelzer, R, Ziebell, L. F, Viñas, A. F, Yoon, P. H, Ryu, C.-M

“…Electron distributions with various degrees of asymmetry associated with the energetic tail population are commonly detected in the solar wind near 1 AU. By…”
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Two-dimensional nonlinear dynamics of bidirectional beam-plasma instability by Pavan, J., Ziebell, L. F., Gaelzer, R., Yoon, P. H.

“…Solar wind electrons near 1 AU feature wide‐ranging asymmetries in the superthermal tail distribution. Gaelzer et al. (2008) recently demonstrated that a wide…”
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Group velocity of obliquely propagating Alfvén waves in a magnetized dusty plasma by De Toni, L B, Gaelzer, R, Ziebell, L F

“…In this work, we investigate the characteristics of the group velocity of obliquely propagating Alfvén waves in a dusty plasma typical of a stellar wind. The…”
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Oblique Alfvén waves in a stellar wind environment with dust particles charged by inelastic collisions and by photoionization by De Toni, L B, Gaelzer, R, Ziebell, L F

“…ABSTRACT The characteristics of Alfvén waves propagating in a direction oblique to the ambient magnetic field in a stellar wind environment are discussed. A…”
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Ionospheric ion-acoustic enhancements by turbulent counterstreaming electron beam-plasma interaction by Pavan, J., Ziebell, L. F., Yoon, P. H., Gaelzer, R.

“…Ion‐acoustic enhancements are investigated within the context of turbulent beam‐plasma interaction processes. The analysis assumes a pair of counterstreaming…”
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Generation of quasi-isotropic electron population during nonlinear beam-plasma interaction by Pavan, J., Ziebell, L. F., Yoon, P. H., Gaelzer, R.

“…The nonlinear interaction of a single or a bidirectional electron beam and a background plasma is analyzed on the basis of electrostatic weak turbulence…”
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PLASMA EMISSION BY NONLINEAR ELECTROMAGNETIC PROCESSES by Ziebell, L. F., Yoon, P. H., Petruzzellis, L. T., Gaelzer, R., Pavan, J.

“…ABSTRACT The plasma emission, or electromagnetic (EM) radiation at the plasma frequency and/or its harmonic(s), is generally accepted as the radiation…”
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Effect of perpendicular gradients on the amplification of Auroral Kilometric Radiation in auroral cavities with density depletions by Pavan, J., Ziebell, L. F.

“…The kilometric radiation in the auroral zones of the Earth is investigated with the use of the transfer equation for the intensity of the wave along the…”
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Effect of charged dust particles on the ion cyclotron and firehose instabilities by de Juli, M. C., Schneider, R. S., Ziebell, L. F., Gaelzer, R.

“…Effects due to the presence of charged dust particles on the growth rate of instabilities of low frequency electromagnetic waves propagating along the ambient…”
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On the Influence of the Shape of Kappa Distributions of Ions and Electrons on the Ion Firehose Instability by Ziebell, L. F., Gaelzer, R.

“…We consider a plasma with electrons and ions described by different combinations of different forms of Kappa distributions, and also by bi-Maxwellian…”
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PLASMA EMISSION BY COUNTER-STREAMING ELECTRON BEAMS by Ziebell, L. F., Petruzzellis, L. T., Yoon, P. H., Gaelzer, R., Pavan, J.

“…ABSTRACT The radiation emission mechanism responsible for both type-II and type-III solar radio bursts is commonly accepted as plasma emission. Recently Ganse…”
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Langmuir Turbulence and Suprathermal Electrons by Yoon, P. H., Ziebell, L. F., Gaelzer, R., Lin, R. P., Wang, L.

“…Charged particle acceleration takes place ubiquitously in the Universe including the near-Earth heliospheric environment. Typical in situ spacecraft…”
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Further study of flickering auroral roar emission: 2. Theory and numerical calculations by Weatherwax, A. T., Yoon, P. H., Hughes, J. M., LaBelle, J., Ziebell, L. F.

“…Two recent papers report ground‐based observations of ∼3–30 Hz pulsations in the amplitude of 2fce auroral roar radio emissions. These pulsations occur in…”
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Electromagnetic ion-cyclotron instability in a dusty plasma with product-bi-kappa distributions for the plasma particles by dos Santos, M. S., Ziebell, L. F., Gaelzer, R.

“…We study the dispersion relation for parallel propagating ion-cyclotron (IC) waves in a dusty plasma, considering situations where the velocity dispersion…”
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